svelte/test/runtime/samples/event-handler-each-this/_config.js

export default {
	props: {
		items: ['foo', 'bar', 'baz'],
	},

	html: `
		<button>foo</button>
		<button>bar</button>
		<button>baz</button>
	`,

	test({ assert, component, target, window }) {
		const buttons = target.querySelectorAll('button');
		const event = new window.MouseEvent('click');

		const clicked = [];

		component.$on('clicked', event => {
			clicked.push(event.detail.node);
		});

		buttons[1].dispatchEvent(event);

		assert.equal(clicked.length, 1);
		assert.equal(clicked[0].nodeName, 'BUTTON');
		assert.equal(clicked[0].textContent, 'bar');
	}
};